Machine Design The angle of twist of shaft is Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Inversely proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)⁴ ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a key, it is assumed that the distribution of forces along the length of key Varies linearly Varies exponentially, being less at the torque-input end Varies exponentially, being more at the torque-input end Is uniform throughout Varies linearly Varies exponentially, being less at the torque-input end Varies exponentially, being more at the torque-input end Is uniform throughout ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in static loading is more serious in Ductile materials Equally serious in both cases Depends on other factors Brittle materials Ductile materials Equally serious in both cases Depends on other factors Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm) d = 2√t d = 1.6√t d = √t d = 6√t d = 2√t d = 1.6√t d = √t d = 6√t ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wahl's stress factor __________ very rapidly as the spring index decreases. Increases Decreases Remain same None of these Increases Decreases Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
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